T/GDWCA 0138-2026 Active Group standards

T/GDWCA 0138-2026 Guide to the analysis and the diagnosis of gases inside the buffer layer of high voltage power cables with XLPE insulation

Publish Date: 2026-01-12 Implement Date: 2026-01-12 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/GDWCA 0138-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Normal diagnostic instruments

ICS Name: Cable

Publish Date: 2026-01-12

Implement Date: 2026-01-12

Scope

This document specifies the gas composition and content analysis of the buffer layer of high-voltage cross-linked polyethylene insulated power cables, the methods for identifying defects in the buffer layer and determining the types of defects, as well as corresponding measures and recommendations. This standard applies to cross-linked polyethylene insulated crimped aluminum sheathed power cables with a rated voltage of 110 kV and above. Note: The analysis results and conclusions obtained according to this document should be comprehensively evaluated in conjunction with the production process, maintenance, electrical testing, operating conditions, and the local environmental conditions of the cable equipment at that time.